You can get cometics at .022, which is what I would use.

Actually, I would just deck it to zero and run the fel pro 8519's for my own build.

We did one like that several years ago...... Rpm heads and intake, nice solid cam.
Made about 480hp on pump gas.

68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads